Crushed rock or sand is usually of this type

Heavy-Duty Modular Frame

Unit has a 3/4″ ball valve as an air outlet

PACKAGE QUANTITY 1

MTM 49.6077 Veloci Replacement Pump Kit for AR Kit 1857 2800-psi Crushed rock or sand isVeloci's Aftermarket Italian pump kits are designed and manufactured for precise fitment on AR Pumps. For your convenience, and ours, we have cross referenced OEM part numbers so that you can expedite your ordering of these replacement kits with descriptions you are familiar with. Veloci's Pump Kits have been meticulously produced and carefully selected for their quality craftsmanship and materials. All included components are shown in image. If we do